16950749 has 2 divisors, whose sum is σ = 16950750. Its totient is φ = 16950748.

The previous prime is 16950737. The next prime is 16950781. The reversal of 16950749 is 94705961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9211225 + 7739524 = 3035^2 + 2782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16950749 is a prime.

It is a super-2 number, since 2×16950749² = 574655783322002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16950449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8475374 + 8475375.

It is an arithmetic number, because the mean of its divisors is an integer number (8475375).

Almost surely, 2^16950749 is an apocalyptic number.

It is an amenable number.

16950749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16950749 is an equidigital number, since it uses as much as digits as its factorization.

16950749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16950749 is about 4117.1287325028. The cubic root of 16950749 is about 256.8796087088.

The spelling of 16950749 in words is "sixteen million, nine hundred fifty thousand, seven hundred forty-nine".